DRAINED CATHODE ALUMINIUM ELECTROWINNING CELL WITH IMPROVED ALUMINA DISTRIBUTION - Patent 1055019

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EP 1 055 019 A1

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(43)	Date of publication:
	29.11.2000 Bulletin 2000/48

(21)	Application number: 99902726.1

(22)	Date of filing: 09.02.1999

(51)	International Patent Classification (IPC)⁷: C25C 3/06

(86)	International application number:
	PCT/IB9900/222

(87)	International publication number:
	WO 9941/429 (19.08.1999 Gazette 1999/33)

(84)	Designated Contracting States:
	DE ES FR GB IT NL

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Priority:

11.02.1998 WO PCT/IB98/00161

(71)	Applicant: MOLTECH Invent S.A.
	2320 Luxembourg (LU)

(72)	Inventors:
	DE NORA, Vittorio Nassau (BS) DURUZ, Jean-Jacques CH-1204 Genève (CH)

(74)	Representative: Cronin, Brian Harold John
	c/o MOLTECH S.A.9, Route de Troinex 1227 Carouge/GE 1227 Carouge/GE (CH)

(54)	DRAINED CATHODE ALUMINIUM ELECTROWINNING CELL WITH IMPROVED ALUMINA DISTRIBUTION